 |
| |||
| 两点边界 | |||
|
two-point boundary : 8 phrases, 5 sujets |
| Aviation | 4 |
| Espace | 1 |
| Exploitation minière | 1 |
| Sciences de la Terre | 1 |
| Technologie | 1 |
|
| |||
| 两点边界 | |||
|
two-point boundary : 8 phrases, 5 sujets |
| Aviation | 4 |
| Espace | 1 |
| Exploitation minière | 1 |
| Sciences de la Terre | 1 |
| Technologie | 1 |